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<div class="title">engine/include/Camera.h</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> *   Copyright (C) 2006 by Juan Roberto Cabral Flores   *</span>
<a name="l00003"></a>00003 <span class="comment"> *   roberto.cabral@gmail.com   *</span>
<a name="l00004"></a>00004 <span class="comment"> *                                                                         *</span>
<a name="l00005"></a>00005 <span class="comment"> *   This program is free software; you can redistribute it and/or modify  *</span>
<a name="l00006"></a>00006 <span class="comment"> *   it under the terms of the GNU General Public License as published by  *</span>
<a name="l00007"></a>00007 <span class="comment"> *   the Free Software Foundation; either version 2 of the License, or     *</span>
<a name="l00008"></a>00008 <span class="comment"> *   (at your option) any later version.                                   *</span>
<a name="l00009"></a>00009 <span class="comment"> *                                                                         *</span>
<a name="l00010"></a>00010 <span class="comment"> *   This program is distributed in the hope that it will be useful,       *</span>
<a name="l00011"></a>00011 <span class="comment"> *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *</span>
<a name="l00012"></a>00012 <span class="comment"> *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *</span>
<a name="l00013"></a>00013 <span class="comment"> *   GNU General Public License for more details.                          *</span>
<a name="l00014"></a>00014 <span class="comment"> *                                                                         *</span>
<a name="l00015"></a>00015 <span class="comment"> *   You should have received a copy of the GNU General Public License     *</span>
<a name="l00016"></a>00016 <span class="comment"> *   along with this program; if not, write to the                         *</span>
<a name="l00017"></a>00017 <span class="comment"> *   Free Software Foundation, Inc.,                                       *</span>
<a name="l00018"></a>00018 <span class="comment"> *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *</span>
<a name="l00019"></a>00019 <span class="comment"> ***************************************************************************/</span>
<a name="l00020"></a>00020 <span class="preprocessor">#ifndef CAMERA_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define CAMERA_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &quot;Point3D.h&quot;</span>
<a name="l00024"></a>00024 
<a name="l00033"></a><a class="code" href="class_camera.html">00033</a> <span class="keyword">class </span><a class="code" href="class_camera.html">Camera</a>
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 <span class="keyword">public</span>:
<a name="l00036"></a>00036     <a class="code" href="class_camera.html">Camera</a>();
<a name="l00037"></a>00037 
<a name="l00038"></a>00038     <a class="code" href="class_camera.html">Camera</a>(<span class="keyword">const</span> <a class="code" href="class_camera.html">Camera</a> &amp; orig);
<a name="l00039"></a>00039     
<a name="l00040"></a>00040     <span class="keyword">virtual</span> ~<a class="code" href="class_camera.html">Camera</a>();
<a name="l00041"></a>00041     
<a name="l00042"></a>00042     <a class="code" href="class_camera.html">Camera</a> &amp; operator=(<span class="keyword">const</span> <a class="code" href="class_camera.html">Camera</a> &amp; orig);
<a name="l00043"></a>00043 
<a name="l00044"></a>00044     <span class="keywordtype">void</span> setPosition(<span class="keyword">const</span> Point3&amp; p);
<a name="l00045"></a>00045 
<a name="l00046"></a>00046     Point3 getPosition();
<a name="l00047"></a>00047     
<a name="l00048"></a>00048     <span class="keywordtype">void</span> setTargetPoint(<span class="keyword">const</span> Point3 &amp; target);
<a name="l00049"></a>00049     
<a name="l00050"></a>00050     Point3 getTargetPoint();
<a name="l00051"></a>00051 
<a name="l00052"></a>00052     <span class="keywordtype">void</span> setOrientationVector(<span class="keyword">const</span> Point3&amp; v);
<a name="l00053"></a>00053 
<a name="l00054"></a>00054     Point3 getOrientationVector();
<a name="l00055"></a>00055 
<a name="l00056"></a>00056     <span class="keywordtype">void</span> setLongitude(<span class="keywordtype">double</span> longitude);
<a name="l00057"></a>00057 
<a name="l00058"></a>00058     <span class="keywordtype">double</span> getLongitude();
<a name="l00059"></a>00059 
<a name="l00060"></a>00060     <span class="keywordtype">void</span> setColatitude(<span class="keywordtype">double</span> colatitude);
<a name="l00061"></a>00061 
<a name="l00062"></a>00062     <span class="keywordtype">double</span> getColatitude();
<a name="l00063"></a>00063 
<a name="l00064"></a>00064     <span class="keywordtype">void</span> setDistanceFromTarget(<span class="keywordtype">double</span> distance);
<a name="l00065"></a>00065 
<a name="l00066"></a>00066     <span class="keywordtype">double</span> getDistanceFromTarget();
<a name="l00067"></a>00067 
<a name="l00077"></a>00077     <span class="keywordtype">void</span> <a class="code" href="class_camera.html#af92eb867ef3e2ae62e9ca7e40ce9a209">setModelView</a>(<span class="keyword">const</span> Eigen::Matrix4f&amp; m);
<a name="l00078"></a>00078 
<a name="l00082"></a>00082     <span class="keyword">const</span> Eigen::Matrix4f&amp; <a class="code" href="class_camera.html#a7fc1314e06fff4e0b8f724bc26dcb712">modelView</a>();
<a name="l00083"></a>00083     
<a name="l00091"></a>00091     <span class="keywordtype">void</span> <a class="code" href="class_camera.html#a221b64d03991f28df8cf7fe8def42232">setProjectionMatrix</a>(<span class="keyword">const</span> Eigen::Matrix4f&amp; m);
<a name="l00092"></a>00092 
<a name="l00096"></a>00096     <span class="keyword">const</span> Eigen::Matrix4f&amp; <a class="code" href="class_camera.html#a747273ee8a9d895f6acd5495ac89514d">projection</a>();
<a name="l00097"></a>00097 
<a name="l00102"></a>00102     <span class="keywordtype">void</span> <a class="code" href="class_camera.html#a6aa438a66e6fed07fd32c0c06cb1a242">setPerspectiveMatrix</a>(<span class="keywordtype">float</span> left, <span class="keywordtype">float</span> right,
<a name="l00103"></a>00103                               <span class="keywordtype">float</span> bottom, <span class="keywordtype">float</span> top,
<a name="l00104"></a>00104                               <span class="keywordtype">float</span> near, <span class="keywordtype">float</span> far);
<a name="l00105"></a>00105 
<a name="l00110"></a>00110     <span class="keywordtype">void</span> <a class="code" href="class_camera.html#a1e06946fb60f7b730660afd45bc7901b">setOrthoMatrix</a>(<span class="keywordtype">float</span> left, <span class="keywordtype">float</span> right,
<a name="l00111"></a>00111                         <span class="keywordtype">float</span> bottom, <span class="keywordtype">float</span> top,
<a name="l00112"></a>00112                         <span class="keywordtype">float</span> near, <span class="keywordtype">float</span> far);
<a name="l00113"></a>00113 
<a name="l00124"></a>00124     <span class="keywordtype">void</span> <a class="code" href="class_camera.html#a6aa438a66e6fed07fd32c0c06cb1a242">setPerspectiveMatrix</a>(<span class="keywordtype">float</span> fovy, <span class="keywordtype">float</span> aspect, <span class="keywordtype">float</span> zNear, <span class="keywordtype">float</span> zFar);
<a name="l00125"></a>00125     
<a name="l00135"></a>00135     <span class="keywordtype">void</span> <a class="code" href="class_camera.html#a0633e6dd7da60a2514f963e69490ecd6">setViewport</a>(<span class="keyword">const</span> Eigen::Matrix4f&amp; m);
<a name="l00136"></a>00136 
<a name="l00145"></a>00145     <span class="keywordtype">void</span> <a class="code" href="class_camera.html#a0633e6dd7da60a2514f963e69490ecd6">setViewport</a>(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h);
<a name="l00146"></a>00146 
<a name="l00152"></a>00152     <span class="keyword">const</span> Eigen::Matrix4f&amp; <a class="code" href="class_camera.html#a1805dd6804788881491c891246d33872">viewport</a>() <span class="keyword">const</span>;
<a name="l00153"></a>00153     
<a name="l00159"></a>00159     Vector3 <a class="code" href="class_camera.html#a11da2441c39e3217df2f10e9365e80b1">eyeToWorld</a>(<span class="keyword">const</span> Vector3&amp; p) <span class="keyword">const</span>;
<a name="l00160"></a>00160     
<a name="l00164"></a>00164     Vector3 <a class="code" href="class_camera.html#a11da2441c39e3217df2f10e9365e80b1">eyeToWorld</a>(<span class="keywordtype">float</span> x, <span class="keywordtype">float</span> y, <span class="keywordtype">float</span> z, <span class="keywordtype">float</span> w = 1.f) <span class="keyword">const</span>;
<a name="l00165"></a>00165     
<a name="l00171"></a>00171     Vector3 <a class="code" href="class_camera.html#a5416d3ba2532e4a679b1ff8292a25ebf">worldToEye</a>(<span class="keyword">const</span> Vector3&amp; p) <span class="keyword">const</span>;
<a name="l00172"></a>00172 
<a name="l00176"></a>00176     Vector3 <a class="code" href="class_camera.html#a5416d3ba2532e4a679b1ff8292a25ebf">worldToEye</a>(<span class="keywordtype">float</span> x, <span class="keywordtype">float</span> y, <span class="keywordtype">float</span> z, <span class="keywordtype">float</span> w = 1.f) <span class="keyword">const</span>;
<a name="l00177"></a>00177 
<a name="l00178"></a>00178     
<a name="l00184"></a>00184     QString <a class="code" href="class_camera.html#acb5db1f22aa35acb68cfa4bf2718bcc3">toString</a>() <span class="keyword">const</span>;
<a name="l00185"></a>00185 
<a name="l00186"></a>00186 <span class="keyword">private</span>:
<a name="l00187"></a>00187     <span class="keywordtype">void</span> updateViewMatrix();
<a name="l00188"></a>00188     
<a name="l00189"></a>00189     Eigen::Matrix4f     _projMat;
<a name="l00190"></a>00190     Eigen::Matrix4f     _viewMat;
<a name="l00191"></a>00191     Eigen::Matrix4f     _viewportMat;
<a name="l00192"></a>00192     
<a name="l00193"></a>00193     Point3 m_position;
<a name="l00194"></a>00194     Point3 m_target;
<a name="l00195"></a>00195     Point3 m_orientation;
<a name="l00196"></a>00196 
<a name="l00197"></a>00197     <span class="keywordtype">double</span> m_colatitude;
<a name="l00198"></a>00198     <span class="keywordtype">double</span> m_longitude;
<a name="l00199"></a>00199     <span class="keywordtype">double</span> m_distanceFromTarget;
<a name="l00200"></a>00200 };
<a name="l00201"></a>00201 
<a name="l00202"></a>00202 <span class="preprocessor">#endif</span>
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